CVE-2018-18493

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This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.4, Firefox ESR < 60.4, and Firefox < 64."}, {"lang": "es", "value": "Puede ocurrir un desbordamiento de b\u00fafer en la librer\u00eda SKIA durante los c\u00e1lculos de un desplazamiento de b\u00fafer con acciones de hardware aceleradas de CANVAS 2D, debido al uso de c\u00e1lculos de 32-bit en vez de 64-bit. Esto resulta en un cierre inesperado potencialmente explotable. 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{"acknowledgement": "Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Atte Kettunen as the original reporter.", "affected_release": [{"advisory": "RHSA-2018:3831", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "firefox-0:60.4.0-1.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2018-12-17T00:00:00Z"}, {"advisory": "RHSA-2019:0159", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "thunderbird-0:60.4.0-1.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2019-01-24T00:00:00Z"}, {"advisory": "RHSA-2018:3833", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "firefox-0:60.4.0-1.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2018-12-17T00:00:00Z"}, {"advisory": "RHSA-2019:0160", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "thunderbird-0:60.4.0-1.el7_6", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2019-01-24T00:00:00Z"}], "bugzilla": {"description": "Mozilla: Buffer overflow in accelerated 2D canvas with Skia", "id": "1658400", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1658400"}, "csaw": false, "cvss3": {"cvss3_base_score": "9.8", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-120", "details": ["A buffer overflow can occur in the Skia library during buffer offset calculations with hardware accelerated canvas 2D actions due to the use of 32-bit calculations instead of 64-bit. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.4, Firefox ESR < 60.4, and Firefox < 64."], "name": "CVE-2018-18493", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 8"}], "public_date": "2018-12-11T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2018-18493\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-18493\nhttps://www.mozilla.org/en-US/security/advisories/mfsa2018-30/#CVE-2018-18493"], "statement": "In general, this flaw be exploited through email in the Thunderbird product because scripting is disabled when reading mail, but are potentially risks in browser or browser-like contexts.", "threat_severity": "Important"}

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